64940880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{270587}}^1$

素因数の和:270603

約数の個数: 40

約数和(自身を含む): 201317472

約数和(自身を除く): 136376592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 270587, 541174, 811761, 1082348, 1352935, 1623522, 2164696, 2705870, 3247044, 4058805, 4329392, 5411740, 6494088, 8117610, 10823480, 12988176, 16235220, 21646960, 32470440, 64940880]

約数ペア:

[(1, 64940880), (2, 32470440), (3, 21646960), (4, 16235220), (5, 12988176), (6, 10823480), (8, 8117610), (10, 6494088), (12, 5411740), (15, 4329392), (16, 4058805), (20, 3247044), (24, 2705870), (30, 2164696), (40, 1623522), (48, 1352935), (60, 1082348), (80, 811761), (120, 541174), (240, 270587)]